CVE-2026-54660: swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications

Routine

HIGH 7.4

CVE-2026-54660 is a high-severity flaw (CVSS 7.4) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/resolved-swagger-schema.ts getRemoteRequestHeaders forwards --authorizationToken to every URL fetched by fetchRemoteSchemaDocument while warmUpRemoteSchemasCache resolves external $ref URLs, allowing an attacker-controlled OpenAPI spec to exfiltrate the developer or CI bearer token to a cross-origin endpoint. This issue is fixed in v

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-200, CWE-201, CWE-522, CWE-918
Published	2026-07-29
Last modified	2026-10-23

Publisher (CNA): GitHub, Inc.

Timeline

2026-07-29 15:16 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-54660?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-54660 being exploited?

CVE-2026-54660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-54660 affect?

CVE-2026-54660 affects affected software. Severity is high (CVSS 7.4). swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/resolved-swagger-schema.ts getRemoteRequestHeaders forwards --authorizationToken to every URL fetched by fetchRemoteSchemaDoc

How urgent is CVE-2026-54660?

Priority 35/100. High severity

References

← Back to latest CVEs